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Fig. 1

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Fig. 2

Baumgartner 411

60s (0.2s), 30min, pillar wheel
option: 30s (0.1s), 15min
option: 10s (1/30s), 5min
addition timer with pusher
stem wind
center second

20''', Dm= 44.75mm, Do= 45.5mm
H= 8.2mm
(winding gear +0.6mm)
F= 2.2mm
T= 5.0mm
11 jewels
f = 18000 A/h
power-reserve 27h
f = 36000 A/h
power-reserve 13h
f = 108000 A/h
power-reserve 4h

Balance staff U3330

Stem W1889(20/4mm), W1881(22/4mm), W1883(22/8mm*), W1887(23/4mm), W1882(23/8mm), W1885(25/4mm*), W1884(25/9.5mm*), W1886(26/4mm), W1888(26/9.2mm)
total length / length of thread or square(*)

1.30 / 1.30mm

Comments about the data

open face calibre
pendant mounted on movement

410: pallet lever
411: pallet lever, addition timer
412: pin lever, center minute
413: pin lever, center minute, addition timer
414*: pin lever
415*: pin lever, addition timer
416, 417: features unknown
418: pin lever, hour counter, addition timer slide
419, 420: features unknown
421: pin lever, hour counter, addition timer
*) features from not reliable sources

Example, year: signature; shock device
ca.1970: BFG, Swiss Made, 7 jewels, Unadjusted; Rufachoc
(Baumgartner 415)

Not for Sale!
The movements presented in this caliber finder are not for sale. This is only a data sheet for identification and evaluation of the movement calibre, as well as for approximate dating.

bidfun-db 21.3 © 02-08-15, mtr-Ranfft

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